Land development policy as related to real estate influenced by railway noise in the context of allowable indicators that have been recently modified in Poland

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Analysis indicators

Indicator name	Indicator symbol	Indicator formula
„Acoustic release” - Night	WUALN	FLN→50dB−FLN→59dBFLN→50dB {{{F_{LN \to 50dB}} - {F_{LN \to 59dB}}} \over {{F_{LN \to 50dB}}}}
“Acoustic release” - Day-Dawn-Night	W1UALDWN	FLDWN→55dB−FLDWN→64dBFLDWN→55dB {{{F_{LDWN \to 55dB}} - {F_{LDWN \to 64dB}}} \over {{F_{LDWN \to 55dB}}}}
	W2UALDWN	FLDWN→60dB−FLDWN→68dBFLDWN→60dB {{{F_{LDWN \to 60dB}} - {F_{LDWN \to 68dB}}} \over {{F_{LDWN \to 60dB}}}}
“Acoustic-functional release” - Night	WUFALN	FTULN→50dB−FTULN→59dBFTULN→50dB {{FT{U_{LN \to 50dB}} - FT{U_{LN \to 59dB}}} \over {FT{U_{LN \to 50dB}}}}
“Acoustic-functional release” - Day-Dawn-Night	W1UFALDWN	FTULDWN→55dB−FTULDWN→64dBFTULDWN→55dB {{FT{U_{LDWN \to 55dB}} - FT{U_{LDWN \to 64dB}}} \over {FT{U_{LDWN \to 55dB}}}}
	W2UFALDWN	FTULDWN→60dB−FTULDWN→68dBFTULDWN→60dB {{FT{U_{LDWN \to 60dB}} - FT{U_{LDWN \to 68dB}}} \over {FT{U_{LDWN \to 60dB}}}}
„Construction-acoustic” - General/Night	WBALN	LBLN→50dB−LBLN→59dBLBLN→50dB {{L{B_{LN \to 50dB}} - L{B_{LN \to 59dB}}} \over {L{B_{LN \to 50dB}}}}
“Construction-acoustic” – General/Day-Dawn-Night	W1BALDWN	LBLDWN→55dB−LBLDWN→64dBLBLDWN→55dB {{L{B_{LDWN \to 55dB}} - L{B_{LDWN \to 64dB}}} \over {L{B_{LDWN \to 55dB}}}}
	W2BALDWN	LBLDWN→60dB−LBLDWN→68dBLBLDWN→60dB {{L{B_{LDWN \to 60dB}} - L{B_{LDWN \to 68dB}}} \over {L{B_{LDWN \to 60dB}}}}

The values of acoustic indicators within the analysed areas

Feature symbol	Feature value
	URSUS (Area I)	BIAŁOŁĘKA (Area II)	URSYNÓW (Area III)
WUA LN	0.38	0.66	0.90
W1UALDWN	0.60	0.66	0.98
W2UALDWN	0.70	0.68	0.89
WUFALN	0.93	0.71	0.96
W1UFALDWN	0.97	0.66	0.64
W2UFALDWN	0.97	0.74	0.94
WBALN	0.72	0.76	1.00
W1BALDWN	0.68	0.71	0.96
W2BALDWN	0.67	0.86	1.00

Features of sensitivity to noise within the boundaries of the analysed areas

Feature No.	Feature symbol	Feature unit	Feature value
			URSUS (I)	BIAŁOŁĘKA (II)	URSYNÓW (III)
1	FLN→50dB	m2	208 637	323 317	120 815
2	FLN→59dB	m2	64 584	109 909	12 656
3	FLDWN→55dB	m2	254 671	412 510	197 708
4	FLDWN→60dB	m2	166 783	242 193	79 266
5	FLDWN→64dB	m2	101 011	140 877	30 685
6	FLDWN→68dB	m2	49 357	77 107	8 495
7	LBLN→50dB	units	138	163	12
8	LBLN→59dB	units	38	39	0
9	LBLDWN→55dB	units	171	197	27
10	LBLDWN→60dB	units	102	124	7
11	LBLDWN→64dB	units	55	59	1
12	LBLDWN→68dB	units	33	17	0
13	LMZW→TK	m	64	-	-
14	LZM→OT	m	75	-	-
15	LZJ→TK	m	11	22	18
16	LZJ→OT	m	24	34	24
17	FTULDWN→55dB	m2	58 305	14 3670	17 326
18	FTULDWN→64dB	m2	1 643	48 851	1 096
19	FTULDWN→60dB	m2	61 237	99 139	4 157
20	FTULDWN→68dB	m2	1 643	25 607	255
21	FTULN→50dB	m2	91 538	134 242	8 531
22	FTULN→59dB	m2	6 550	39 126	351

Areas and percentage shares of the terrains with exceeded noise levels caused by rail noise within the analysed boundaries according to acoustic maps from 2012 and 2017

Isophone name	DISTRICT	Year 2012		Year 2017
		Noise-endangered area	Terrain percentage	Noise-endangered area	Terrain percentage
		[ha]	[%]	[ha]	[%]
LN → 59 dB	URSUS (I)	3.79	7.64	6.46	13.03
LDWN → 64 dB		8.61	17.38	10.10	20.38
LDWN → 68 dB		4.33	8.74	4.94	9.96
LN → 59 dB	BIAŁOŁĘKA (II)	4.55	6.93	10.99	16.74
LDWN → 64 dB		6.68	10.18	14.09	21.46
LDWN → 68 dB		2.71	4.13	7.71	11.74
LN → 59 dB	URSYNÓW (III)	1.53	1.23	1.27	1.01
LDWN → 64 dB		4.13	3.30	3.07	2.45
LDWN → 68 dB		1.23	0.98	0.85	0.68